Yamanouchi Pharmaceutical is a Japanese company that specializes in the research, development, and manufacturing of pharmaceutical products. Founded in 1923, it has a strong focus on innovative medicines, particularly in areas such as oncology, central nervous system disorders, and cardiovascular diseases. In 2005, Yamanouchi Pharmaceutical merged with Astellas Pharma, creating one of the largest pharmaceutical companies in Japan. The company is committed to improving patient health and well-being through its diverse portfolio of drugs and ongoing research initiatives.